CN204144912U - A kind of high voltage generating station electrical verification alarm block sytem - Google Patents
A kind of high voltage generating station electrical verification alarm block sytem Download PDFInfo
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- CN204144912U CN204144912U CN201420635012.7U CN201420635012U CN204144912U CN 204144912 U CN204144912 U CN 204144912U CN 201420635012 U CN201420635012 U CN 201420635012U CN 204144912 U CN204144912 U CN 204144912U
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- 238000012795 verification Methods 0.000 title claims abstract description 62
- 230000006698 induction Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of high voltage generating station electrical verification alarm block sytem, comprise electrical verification module and protection module; Electrical verification module comprises electrical verification energy collecting device and identifies display, and identify display rate of connections controller, electrical verification energy collecting device is by power amplifier linkage identification display; Protection module comprises the controller, data exchange unit and the locking device that connect in turn; electrical verification energy collecting device comprises live detection transducer and connected rectifier, step-down controller; live detection transducer comprises the receiver of passive induction energy fetching device and connection; identify that display comprises LED light-emitting component, light-emitting component is connected with induction energy fetching device by storage battery.The utility model can be applicable to voltage levels, indoors, uses in outdoor environment, safer, stable, reliable, provides electrical verification warning and intelligent protection function, prevent human casualty accident from occurring to producers, guarantee operating personnel safety.
Description
Technical field
The utility model relates to high voltage generating station communication identification and resist technology field, particularly relates to a kind of high voltage generating station electrical verification alarm block sytem.
Background technology
In electric power system, prevent electric shock accidents, electric fault-operation accident, guarantee to send out, the safe and reliable operation of controller switching equipment and electric line, also be primarily one of most important requirement, just in case have an accident, will huge economic loss be caused, even jeopardize equipment and personal safety.For many years, the device of the identification of electrical verification information and intelligent protection is being studied always by electric industry department.And the device that home and abroad is used at present or system, be all the method for induction power taking energy mostly, the magnetic field intercepts secondary coil produced by electric current obtains energy or signal.The method is (as equipment is unloaded) when only there being voltage not have electric current, just can not obtain signal.The charged recognition device of most passive high voltage, its drive current is that the output of capacity type high pressure sensor by directly contacting with primary equipment provides, its drive current provided is larger, whether charged display be obvious, but this kind of device is installed, need capacitance type sensor is installed, and the installation that must have a power failure, therefore this device is generally arranged in high-tension switch cabinet.Because its characteristic belongs to non-equipotential mounting means, be difficult to install on the equipment of high voltage grade.
Application number be 201410028693.5 utility model patent a kind of digital protection device automatic test control system and control method thereof are disclosed; belong to intelligent high-pressure power station testing authentication technical field, described system comprises inspection parsing module, parameter management module, 61850 client modules, test case administration module, testing control module, report output module and repository module.Automatically according to point information generating test use case; For digital protection type of device, build test cases storehouse; Automatically device is installed to by under the definite value of digital protection device; Automatically complete and control relay-protection tester to digital protection device dosage and control message; Automatic output test report.Secondary relaying protection producer is dispatched from the factory and completes inspection fast, Utilities Electric Co.'s application scenarios such as examination protective device, the field device test of intelligent high-pressure power station etc. can reduce the repeatability of staff, loaded down with trivial details work greatly, increase work efficiency.
Application number be 200810240042.7 utility model patent disclose a kind of high voltage generating station integrated protection system based on IEC61850.The information such as the electric current and voltage of high voltage generating station are marked gps clock information by merge cells, gathered by intelligent operation box by the switching-state information of high voltage generating station; and marking gps clock information, described electric current and voltage and switching-state information are by Ethernet being given protection main station system.According to the information uploaded, protection main website judges whether this high voltage generating station has force device to break down, if broken down, assign trip signal to intelligent operation box by network, by the corresponding circuit breaker of intelligent operation box tripping, and isolated fault.Protection main website is made up of four host computer, and wherein two as high voltage generating station main protection, other two as high voltage generating station backup protection.Any Host Detection of main protection two main frames is out of order and all can assigns trip signal.Two main frames of backup protection are direct-connected by dedicated network, and in order to avoid backup protection misoperation, two main frames detect that fault then sends out trip signal simultaneously.
Above high voltage generating station safeguard measure is all conceived to overall relaying protection and digitalized network, clear and definite test or Improving ways are not proposed to initial electrical verification identification and intelligent protection, in traditional concrete operation method, one be by capacitance partial pressure, make indicator light shinny with the mode that electrification in high voltage part directly contacts, there is capacitor insulation and puncture in this, cause the danger of the direct short circuit grounding of high pressure, threaten to the safety of electrical network, and on market, existing equipotential electrification display can only be used in 10-35 kilovoltage grade, and can only indoors use; Another installs an inductive pick-up at Near Ground, powered by the interchange additional power source of 220V, signal is amplified, make indicator light luminescence or realize automatic blocking, its problem gathers induced signal on the ground of high voltage generating station, is easily subject to the interference at other phase and charged interval, interference is large, and due to needs external power supply, be not suitable for circuit uses, be also very easily disturbed in the use of high voltage generating station.
Utility model content
The purpose of this utility model is to solve the problems of the technologies described above; a kind of high voltage generating station electrical verification alarm block sytem is provided; more voltage levels can be applicable to; indoors, use in outdoor environment; safer, stable, reliable, effectively prevent from being strayed into interval, fault rod climbing tower, closing ground cutter by mistake, provide electrical verification warning and intelligent protection function to producers; prevent human casualty accident from occurring, ensure operating personnel's safety.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of high voltage generating station electrical verification alarm block sytem, comprises electrical verification module and protection module; Described electrical verification module comprises electrical verification energy collecting device and identifies display, described identification display rate of connections controller, and described electrical verification energy collecting device connects described identification display by power amplifier; Described protection module comprises the controller, data exchange unit and the locking device that connect in turn, and described controller connects described electrical verification energy collecting device.
Described electrical verification energy collecting device comprises live detection transducer and connected rectifier, step-down controller, described live detection transducer comprises the receiver of passive induction energy fetching device and connection, described passive induction energy fetching device is triplets, A, B, C three-phase of corresponding high voltage generating station equipment.
Described identification display comprises LED light-emitting component, and described light-emitting component is connected with induction energy fetching device by storage battery.
Described controller connects acoustic-optic alarm, and described locking device comprises electric blocking contact and electric lockset.
Described power amplifier comprises the imported OTL amplifying circuit in front end.
Described frequency controller is made up of the uncontrollable rectification circuit of three-phase, H-bridge inverter circuit, output filter and series resonant circuit.
Electrical verification information of the present utility model identification and intelligent protection device can be divided into indoor type and outdoor type two kinds, indoor type is applicable to the indoor high-voltage power equipments such as switch cubicle,, narrow space complicated for indoor equipment internal structure and the actual features design such as relative closure, electromagnetic environment be complicated, passive induction energy fetching device is directly installed on equipment high pressure position, high voltage electric field is converted to radiofrequency signal to send, receiver receives signal, change, calculate, judge, according to equipment live situation, pass to the controller identifying display and protection module; Outdoor type is applicable to the outdoor high-voltage power equipments such as multiple-loop line ultra-high-tension power transmission line and grounding switch thereof, relatively open for outdoor equipment space, the actual features such as natural daylight is stronger design, passive induction energy fetching device is directly installed on equipment high pressure position, charged signal is pointed out at the enterprising line flicker of high-power light-emitting element by power amplifier, also send radiofrequency signal simultaneously, receiver receives signal equally, change, calculate, judge, what automatically control locking device according to equipment live situation cut-offs state.
Electrical verification energy collecting device comprises passive induction energy fetching device, by an integrated low-loss rectifier and an efficient voltage reducing type transducer, to collect the high-tension line coupling energy produced in environment, then this power conversion is become the output of well-tuned, for subsequent components provides electrical verification Informational support.Rectifier is directly to voltage waveform rectification, passive induction energy fetching device also connects an external storage capacitor, be convenient to stable output and the self-sustaining of collection signal, can when the ultra low quiescent current of wide hysteresis be under-voltage, electric charge is accumulated on a storage capacitor, till buck converter can send the electric charge that a part stores to output expeditiously, when non-loaded resting state, adjustable output voltage, charges simultaneously continuously to storage capacitance.
Display mainly provides visible signal by luminescence to ground staff, therefore its luminous intensity needs to increase considerably, Main Means adds power amplifier and frequency controller in electrical verification display, the energy that device is gathered is many, the multiple of power amplification is enough large, achieve the Expected Results of high light, and choose the high luminescent material of brightness, choose the color of the delicate eye to people; Adopt high optically focused, high brightness, high-power LED lamp, achieve the illumination effect that power consumption is little and brightness is high; Flashing rate control system in display, achieve the stable of flashing rate, have stability and reliability, the flicker frequency controlling light-emitting component makes observation personnel feel comfortable.In addition, display utilizes coupling principle to get can, its supply device comprises induction energy fetching device and storage battery, wherein, induction energy fetching device is electric field energy energy-collecting device, is to be placed in alternating electric field with plate condenser, and its two ends induce current/voltage, electric field energy is converted to electric energy, powers to load; Storage battery connects rectification circuit, adopts the circuit be made up of IGBT to produce high-power sinusoidal signal, and this signal is after step-up transformer boosting and high-pressure series resonant circuit are amplified, and electric pressure can reach high pressure, superhigh pressure, ultra high voltage rank.It should be noted that, larger than indoor type multiplication factor 30 times of power amplifier in outdoor type, according to determining energy hole, trigger the light-emitting component be made up of high optically focused, high brightness, high-power LED, do not need additional power source, equal with electrified body current potential, do not affect the normal operation of electrified body, under the background of outdoor strong sunlight in summer, obvious, stable flicker light can be sent.
Protection module comprises the controller, data exchange unit and the locking device that connect in turn; controller connects the receiver in electrical verification energy collecting device; energy information is judged; if reach shutter limit value; start acoustic-optic alarm on the one hand, carry out overload alarm, on the other hand; by data exchange unit, control signal is transmitted in locking device, carries out latch-up protection.By wireless isolation between controller and electrical verification energy collecting device, to avoid highfield to the misoperation of protective device, controller and data exchange unit concentrated setting are in the appropriate location of high voltage electric equipment, indoor equipment is as on the cabinet door of switch cubicle, outdoor equipment is as high-voltage circuit grounding cutter place, its receiving belt power detection signal, outputs to locking device by control signal interface simultaneously, locking device comprises electric blocking contact and electric lockset, electric blocking contact is connected with console computer and computer key, electric lockset mainly refers to five preventing keys, mainly when grid switching operation, first simulation preview operation on anti-error main frame, anti-error main frame is according to the anti-misoperation locking logical base stored in advance and current device location state, latching logic judgement is carried out to each simulated operation, correct simulated operation content be generated practical operation program transportation to computer key, the content of operation that operations staff shows according to computer key, open corresponding puzzle lock successively to operate, after all operations terminates, by the passback of computer key, thus equipment state is consistent with on-the-spot equipment state, thus realize high-tension apparatus on the spot with middle control guard mode.
This device achieves the anti-error integration of electrical verification: the function not only with electrical verification information identification display; and there is the multiple anti-misoperation locking interface such as error prevention key, electric blocking contact; the forced blocking demand of the various equipment of round Realization; possesses high fail safe; charged warning and forced blocking defencive function is provided to producers; prevent human casualty accident from occurring, ensure operating personnel's safety.This device technique is advanced, and Digital Signal Processing possesses perfect communication function, adapts to the trend of industry development, and transducer, without battery or other secondary accessory power supplys, overcomes conventional high-tension electrical verification simultaneously and shows the shortcoming that there is insulation against ground and puncture; Installation and maintenance are easy, and device is installed without the need to changing this body structure of equipment, simple installation, non-maintaining; Applied range, can be installed on the various places such as switch cubicle, ring main unit, box type high-voltage power station, GIS combined electric, cable end, high voltage bus, line-to-ground cutter, open combined electrical apparatus.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is electrical verification protection flow chart in the utility model embodiment one.
Fig. 3 is the utility model power amplifier circuit structure chart.
Fig. 4 is the utility model frequency controller circuit structure diagram.
Embodiment
Embodiment one
As shown in Figures 1 to 4, a kind of high voltage generating station electrical verification alarm block sytem, for outdoor type device, outdoor type is applicable to the outdoor high-voltage power equipments such as multiple-loop line ultra-high-tension power transmission line and grounding switch thereof, relatively open for outdoor equipment space, the actual features such as natural daylight is stronger design, passive induction energy fetching device is directly installed on equipment high pressure position, charged signal is pointed out at the enterprising line flicker of high-power light-emitting element by power amplifier, also send radiofrequency signal simultaneously, receiver receives signal equally, conversion, calculate, judge, what automatically control locking device according to equipment live situation cut-offs state.
Device comprises electrical verification module and protection module; Electrical verification module comprises electrical verification energy collecting device and identifies display, electrical verification energy collecting device comprises live detection transducer and connected rectifier 3, step-down controller 4, the receiver 2 that live detection transducer comprises passive induction energy fetching device 1 and connects, passive induction energy fetching device is triplets, A, B, C three-phase of corresponding high voltage generating station equipment; Identify that display comprises LED light-emitting component 5, light-emitting component is connected 7 by storage battery 6 with induction energy fetching device; Identify display rate of connections controller 8, frequency controller is made up of the uncontrollable rectification circuit of three-phase, H-bridge inverter circuit, output filter and series resonant circuit; Electrical verification energy collecting device is by power amplifier 9 linkage identification display; Power amplifier comprises the imported OTL amplifying circuit in front end; Protection module comprises the controller 10, data exchange unit 12 and the locking device that connect in turn, and controller connects electrical verification energy collecting device; Controller connects acoustic-optic alarm 11, and locking device comprises electric blocking contact 13 and electric lockset 14.
Because the utility model is outdoor type device, in electrical verification display module, larger than indoor type multiplication factor 30 times of power amplifier, according to determining energy hole, triggering the light-emitting component be made up of high optically focused, high brightness, high-power LED, not needing additional power source, equal with electrified body current potential, do not affect the normal operation of electrified body, under the background of outdoor strong sunlight in summer, obvious, stable flicker light can be sent; In protection module; main dependence electric lockset matching computer key carries out anti-misoperation action; in its electrical verification protection flow process; ceased by controller input tape telecommunications; computer key carries out electrical verification by electrical verification module and judges lock encoding operation, when there is the situations such as detection is charged, code error, just carries out error-opening protection; the flow process of carrying out other equipment operatings is is subsequently patrolled and examined, until terminate protection operation.
Embodiment two
A kind of high voltage generating station electrical verification alarm block sytem; for indoor type device; indoor type is applicable to the indoor high-voltage power equipments such as switch cubicle;, narrow space complicated for indoor equipment internal structure and the actual features design such as relative closure, electromagnetic environment be complicated; passive induction energy fetching device is directly installed on equipment high pressure position; high voltage electric field is converted to radiofrequency signal to send; receiver receives signal, change, calculate, judge; according to equipment live situation, pass to the controller identifying display and protection module.
Device comprises electrical verification module and protection module; Electrical verification module comprises electrical verification energy collecting device and identifies display, electrical verification energy collecting device comprises live detection transducer and connected rectifier 3, step-down controller 4, the receiver 2 that live detection transducer comprises passive induction energy fetching device 1 and connects, passive induction energy fetching device is triplets, A, B, C three-phase of corresponding high voltage generating station equipment; Identify that display comprises LED light-emitting component 5, light-emitting component is connected 7 by storage battery 6 with induction energy fetching device; Identify display rate of connections controller 8, frequency controller is made up of the uncontrollable rectification circuit of three-phase, H-bridge inverter circuit, output filter and series resonant circuit; Electrical verification energy collecting device is by power amplifier 9 linkage identification display; Power amplifier comprises the imported OTL amplifying circuit in front end; Protection module comprises the controller 10, data exchange unit 12 and the locking device that connect in turn, and controller connects electrical verification energy collecting device; Controller connects acoustic-optic alarm 11, and locking device comprises electric blocking contact 13 and electric lockset 14.
Because the utility model is indoor type device, in electrical verification display module, the effect of power amplifier is very not remarkable, if induction energy fetching intensity own is enough, can omit these parts, general indoor type power amplifier is less than indoor type multiplication factor about 30 times, according to determining energy hole, trigger the light-emitting component be made up of the LED of high optically focused, high brightness, achieve the illumination effect that power consumption is little and brightness is high; Flashing rate control system in display, achieves the stable of flashing rate, has stability and reliability, and the flicker frequency controlling light-emitting component makes observation personnel feel comfortable to be advisable.In protection module; controller connects acoustic-optic alarm Be very effective; locking device is based on electric blocking contact; be connected with console computer and computer key, with indoor console remote operation for main body realize preventing by mistake point, close circuit breaker, prevent on-load from dividing, close isolating switch, prevent live connection of ground wire (grounding switch), prevent line with ground (grounding switch) from closing circuit breaker (isolating switch), prevent the protection of mistakenly entering charged chamber from operating.
Claims (6)
1. a high voltage generating station electrical verification alarm block sytem, is characterized in that: comprise electrical verification module and protection module; Described electrical verification module comprises electrical verification energy collecting device and identifies display, described identification display rate of connections controller, and described electrical verification energy collecting device connects described identification display by power amplifier; Described protection module comprises the controller, data exchange unit and the locking device that connect in turn, and described controller connects described electrical verification energy collecting device.
2. high voltage generating station electrical verification alarm block sytem as claimed in claim 1, it is characterized in that: described electrical verification energy collecting device comprises live detection transducer and connected rectifier, step-down controller, described live detection transducer comprises the receiver of passive induction energy fetching device and connection, described passive induction energy fetching device is triplets, A, B, C three-phase of corresponding high voltage generating station equipment.
3. high voltage generating station electrical verification alarm block sytem as claimed in claim 1, is characterized in that: described identification display comprises LED light-emitting component, and described light-emitting component is connected with induction energy fetching device by storage battery.
4. high voltage generating station electrical verification alarm block sytem as claimed in claim 1, is characterized in that: described controller connects acoustic-optic alarm, and described locking device comprises electric blocking contact and electric lockset.
5. high voltage generating station electrical verification alarm block sytem as claimed in claim 1, is characterized in that: described power amplifier comprises the imported OTL amplifying circuit in front end.
6. high voltage generating station electrical verification alarm block sytem as claimed in claim 1, is characterized in that: described frequency controller is made up of the uncontrollable rectification circuit of three-phase, H-bridge inverter circuit, output filter and series resonant circuit.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300515A (en) * | 2014-10-30 | 2015-01-21 | 国网河南省电力公司平顶山供电公司 | Live part verification information recognition and intelligent protection device for transformer substation |
| CN105203144A (en) * | 2015-11-09 | 2015-12-30 | 江健良 | Multi-functional high-voltage generating station detection device |
| CN105403757A (en) * | 2015-12-03 | 2016-03-16 | 中色科技股份有限公司 | Intelligent safety bracelet for maintenance and debugging of alternating-current electrical equipment |
| CN105403758A (en) * | 2015-12-03 | 2016-03-16 | 中色科技股份有限公司 | Intelligent safety bracelet for maintenance and debugging of direct-current electrical equipment |
| CN108398591A (en) * | 2018-05-14 | 2018-08-14 | 河北亚润电力器具有限公司 | All-loop self-inspection electroscope |
| CN112433118A (en) * | 2020-11-16 | 2021-03-02 | 国网山东省电力公司聊城供电公司 | 10kV medium-voltage power generation vehicle anti-misoperation simulation device and method |
-
2014
- 2014-10-30 CN CN201420635012.7U patent/CN204144912U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300515A (en) * | 2014-10-30 | 2015-01-21 | 国网河南省电力公司平顶山供电公司 | Live part verification information recognition and intelligent protection device for transformer substation |
| CN105203144A (en) * | 2015-11-09 | 2015-12-30 | 江健良 | Multi-functional high-voltage generating station detection device |
| CN105203144B (en) * | 2015-11-09 | 2016-06-08 | 国网山东省电力公司金乡县供电公司 | Multifunctional high pressure power station detecting device |
| CN105403757A (en) * | 2015-12-03 | 2016-03-16 | 中色科技股份有限公司 | Intelligent safety bracelet for maintenance and debugging of alternating-current electrical equipment |
| CN105403758A (en) * | 2015-12-03 | 2016-03-16 | 中色科技股份有限公司 | Intelligent safety bracelet for maintenance and debugging of direct-current electrical equipment |
| CN108398591A (en) * | 2018-05-14 | 2018-08-14 | 河北亚润电力器具有限公司 | All-loop self-inspection electroscope |
| CN112433118A (en) * | 2020-11-16 | 2021-03-02 | 国网山东省电力公司聊城供电公司 | 10kV medium-voltage power generation vehicle anti-misoperation simulation device and method |
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